Hollow plastic parts are among the most challenging to manufacture due to internal cavities and a lack of support. They are prone to warpage, uneven shrinkage, sink marks, surface waviness, and dimensional instability—issues that can affect assembly, sealing, and product…

Material Selection: The Cornerstone of Performance and Safety in Medical Devices In the medical device industry, material selection is fundamental to product performance, safety, and ultimate success. As your trusted partner, [RiLong Precision Mold] is committed to providing comprehensive medical…

In the world of plastic injection molding, the mold—also known as a tool or die—is the core of the entire process. It acts as a precision “negative” of the final part, directly determining the product’s shape, dimensions, and quality. This…

At Rilong， we handle numerous reverse engineering projects. The initial request from a client is often straightforward: “Here is a sample. Can you make a copy?” While advanced 3D scanning allows us to replicate a product’s geometry with stunning accuracy,…

If you work in manufacturing, you’ve heard the term “Cycle Time.” But what does it really mean, and why is it the most critical metric for efficiency and profitability in injection molding? At its core, Cycle Time is the total time required to…

Durable and visually appealing surfaces not only enhance product aesthetics but also build customer trust. Electroplating deposits a thin metal layer on plastic or metal parts, providing corrosion resistance, wear resistance, durability, and premium finishes. This makes it ideal for…

For mold transfer project , during the quotation process ,one of our first questions is always: “Can you please provide the specifications of the injection molding machine that will run this tool?” We know you’re busy, and this might seem like…

PANTONE Black6C Anodized Black Dyed per MIL-A8625 Type lll Class 2 This isn’t just a finish; it’s a performance-enhancing armor: ✔ Exceptional Wear Resistance: The hard anodized layer (Type III) provides superior surface hardness, significantly outperforming standard anodizing.✔ Superior Corrosion…

Several years ago, a leading hookah brand approached us with an ambitious challenge: to create plastic components with a premium soft-touch finish using a specialized silicone oil spray coating. What unfolded was a story of innovation, close collaboration, and manufacturing…

Overmolding is a transformative manufacturing technique that opens a world of possibilities for product design, functionality, and user experience. But the critical question often isn’t whether to overmold, but which material to use for the overmold. The debate frequently centers on two powerful contenders: Liquid…

Have you ever faced a design challenge where plastic parts fell short? Maybe they cracked under pressure, lacked grip, or failed to seal properly? You’re not alone. Many engineers and designers start with plastic for its versatility and cost-effectiveness—but soon…

In the world of precision mold manufacturing, the margin for error is zero. At [RiLong Precision Mold], we believe that true precision is a promise that must be validated, not just claimed. While our engineering and craftsmanship set the stage,…